Mungyodance used a conventional letter grade system, set up as follows: SS: All Perfect steps and Good holds. S: All Perfect and Excellent steps, Good holds. AA: 84% DP. A: 73% DP. B: 62% DP. C: 51% DP. D: 0% DP. E: The game still keeps track of life, even though you can't fail. If your life hits zero, you get this grade.